Media processing device having plural conveyance paths and path switching member

ABSTRACT

A media processing device enables conveying media fed from different paths into a common path in a stable conveyance state to the scanning position of a scanner. A check processing device has a path switching member that selectively bridges a back path for conveying checks and a card path to a downstream path, which is a common path. The path switching member changes position and switches the connected paths in conjunction with movement of a shutter that covers the open part of a nozzle cap used to cap the nozzle face of the inkjet head at the back path.

Priority is claimed under 35 U.S.C. §119 to Japanese Application No.2011-196893 filed on Sep. 9, 2011, which is hereby incorporated in itsentirety.

BACKGROUND

1. Technical Field

The present invention relates to a media processing device such as acheck processing device having an optical reading unit that reads animage of a medium conveyed through a curved conveyance path. Theinvention relates more specifically to a media processing device thatcan scan images of both first media such as checks that bend easily, andsecond media such as driver's licenses and other cards that do not bendeasily.

2. Related Art

Checks are commonly used in bank operations for settling deposit andwithdrawal processes. When a check is used to settle a transaction, thedate and signature on the check are confirmed at the teller window, thenecessary deposit or withdrawal process is completed, and the check usedin the transaction is then endorsed on the back. A receipt for the checkprocess is then given to the customer. A driver's license or other typeof identification card is typically required to confirm the identity ofthe person presenting the check, and a copy of the identification cardmay be taken and stored as needed. These processes must be frequentlyperformed in a short time at the teller window.

Check processing devices that can perform these processes electronicallyare also available. This type of check processing device reads magneticinformation from a check using a magnetic ink character reader (MICR),scans checks and ID cards with an internal optical scanner, and printsan endorsement on each check using an internal printer.

Such a device is described in Japanese Unexamined Patent Appl. Pub.JP-A-2004-297761. The data reader described in JP-A-2004-297761 uses animage scanning sensor disposed in the straight part of a checkconveyance path that curves in a U-shaped configuration to read driverlicenses and other types of identification cards that do not bendeasily. More specifically, checks that bend easily are conveyed througha U-shaped check conveyance path, hard-to-bend cards are conveyedthrough a straight card path, and the common path through which bothchecks and cards are conveyed is a straight part of the U-shaped checkconveyance path. Flexible media such as checks bend as they travelthrough the curved path, and are conveyed to the straight commonconveyance path where the scanner is located. Both check processes andidentity verification processes required for processing checks can thusbe done efficiently using the data reader described in JP-A-2004-297761.

While a stamper or similarly simple mechanism can be used as the checkendorsement printing device, using an inkjet head enables printingvarious kinds of information. When an inkjet head is used, however, ahead maintenance mechanism must also be provided in order to prevent thenozzles from clogging when the inkjet head is not being used. The headmaintenance mechanism has a nozzle cap for capping the nozzle face ofthe inkjet head. In this case, a mechanism for keeping the inside of thenozzle cap wet in order to prevent the nozzle cap from drying is alsodesirable as described in Japanese Unexamined Patent Appl. Pub.JP-A-2001-18408 and Japanese Unexamined Patent Appl. Pub.JP-A-2009-226719.

When both checks and cards are imaged by the scanner on the straightcommon conveyance path as described in the data reader inJP-A-2004-297761, checks and cards can become jammed at the junctionwhere the check path and the card path merge into the common path. Cardscan jam at this junction particularly easily when cards travelbidirectionally through the junction between the common path and thecard path in the card scanning operation. For example, when the leadingend of a card is bent and the card passes from the common path throughthe junction into the card path, the leading end of the card can hit thepart of the junction where the card path and the check path diverge,resulting in the card becoming jammed.

The length of the check path may also be short relative to the length ofthe check in order to make the check processing device more compact, andthe check is therefore read with the scanner while still passing throughthe conveyance path junction. The length of the card path is also shortrelative to the card length, and cards are read with the scanner whilepassing through the junction. As a result, when the leading end of acard or check is bent or folded and the card or check is conveyed fromthe card path or the check path through the junction into the commonpath, card or check conveyance can become unstable, and conveying thecard or check at a constant speed past the scanning position of thescanner disposed in the common path may not be possible. The scannedimage captured by the scanner may therefore be distorted, and readingthe image accurately may not be possible.

When an inkjet head is used as the printing device for printing checkendorsements, a head maintenance mechanism (nozzle cap) is needed asdescribed above to prevent the nozzles from clogging. Because a drynozzle cap can result in clogged nozzles, a mechanism for keeping theinside of the nozzle cap desirably wet is needed, but providing such amechanism is undesirable in terms of reducing device size.

SUMMARY

An object of at least one embodiment of the invention is to provide amedia processing device that can convey media in a consistent conveyancestate to the scanning position of the scanner when a common scanner isused to read images of media conveyed from different conveyance pathsinto a common path.

Another object of at least one embodiment of the invention is to providea media processing device that has an inkjet head as a media printingdevice, and can feed media in a consistent conveyance state fromdifferent paths to a scanning position on a common path by means of asmall, compact mechanism that uses the motion of the head maintenancemechanism of the inkjet head.

One aspect of at least one embodiment of the invention is a mediaprocessing device that has a first path that conveys a first medium; asecond path that conveys a second medium; a common path that conveysboth the first medium and second medium from a junction between thefirst path and second path; a scanner that images the first medium orsecond medium passing through the common path; an inkjet head thatprints on the first medium passing through the first path; a nozzle capthat can move to a capping position in which the nozzle face of theinkjet head is covered to keep the nozzle face wet, and an uncappedposition separated from the nozzle face; a shutter that can move to aclosed position in which the open part of the nozzle cap is closed atthe uncapped position to keep the inside of the nozzle cap wet, and anopen position separated from the open part; and a path switching memberthat can switch at the junction between a first position connecting thefirst path to the common path, and a second position connecting thesecond path to the common path, the path switching member switching fromthe first position to the second position in conjunction with theshutter moving from the closed position to the open position, andswitching from the second position to the first position in conjunctionwith the shutter moving from the open position to the closed position.

When the nozzle cap is in the uncapped position, the shutter is in theclosed position, and the path switching member that moves with theshutter is therefore switched to the first position in the mediaprocessing device according to this aspect of the invention, the inkjethead prints on the first medium conveyed through the first path, and theprinted first medium is conveyed from the first path to the common path.An image of the first medium conveyed through the common path is alsocaptured by the scanner disposed to the common path. Because the pathswitching member connects the first path to the common path at thejunction between the first path and second path, the first medium doesnot become jammed at the junction, and the first medium passes smoothlythrough the junction. Because the first medium is conveyed at a constantspeed when passing the junction while the inkjet head prints on thefirst medium, printing is not disturbed. Because the first medium isalso conveyed at a constant speed when the first medium is imaged by ascanner on the common path while passing the junction, distortion is notintroduced to the scanned image.

When the first medium is not being conveyed, printed, or scanned, thenozzle cap is in the capping position, the shutter is in the openposition, and the path switching member that moves with the shutter istherefore switched to the second position. Because a path connecting thesecond path to the common path is created by the path switching memberat the junction between the first path and second path when the secondmedium is conveyed through the second path and common path and thesecond medium is imaged by the scanner, the second medium will not jamat the junction and the second medium can pass the junction smoothly.When the second medium is imaged by the scanner on the common path whilepassing the junction, the scanned image will not be distorted becausethe second medium is conveyed at a constant conveyance speed.

The path switching member in the media processing device of theinvention moves in conjunction with the shutter. A separate mechanism isnot therefore not needed to change the position of the path switchingmember. When the switching of the path switching member is controlled bya mechanism other than the shutter, that is, the head maintenancemechanism of the inkjet head, an operating error can result in which thepath switching member remains at the second position for passing thesecond medium even though the shutter is in the closed position (inother words, the inkjet head is printing on the first medium beingconveyed through the first path). Because the path switching memberchanges position in conjunction with shutter movement in the invention,such operating errors can be significantly reduced.

By covering the open part of the nozzle cap with the shutter when thenozzle face of the inkjet head is not capped, the media processingdevice according to at least one embodiment the invention preventsevaporation of moisture from inside the nozzle cap. The inside of thenozzle cap can therefore be kept desirably moist without using aseparate moisture retaining means or cleaning means. Compared with aconfiguration having a moisture retaining means or cleaning means thatalso requires a tank for the moisturizing fluid or cleaning fluid, asupply mechanism for supplying the moisturizing fluid or cleaning fluidfrom the tank, and a mechanism for recovering the moisturizing fluid orcleaning fluid supplied to the nozzle cap. This aspect of the inventionrequires only a shutter and a mechanism for moving the shutter, and cantherefore reduce the amount of space needed to provide an inkjetprinting device. The invention can therefore be used to provide a mediaprocessing device meeting strict size and compactness requirements.

In a media processing device according to another aspect of at least oneembodiment of the invention, the nozzle cap can move between theuncapped position opposite the nozzle face of the inkjet head with thefirst path therebetween, and the capping position advanced across thefirst path to the nozzle face side and capping the nozzle face; theshutter can move along the first path between the closed positioncovering the open part of the nozzle cap in the uncapped position andthe open position; and the path switching member is disposed adjacent tothe shutter in a direction along the first path.

Because the first path, which is the conveyance path of the firstmedium, is defined by a media guide panel and other members disposedalong the first path, space for installing and moving the shutter can beeasily achieved along the back side of the media guide panel. Inaddition, by disposing the path switching member along the first pathbeside the shutter, a linking mechanism that switches the path switchingmember to the first position and second position using movement of theshutter along the first path can be provided using a simple mechanismwithout requiring a lot of space.

A media processing device according to another aspect of at least oneembodiment of the invention also has a media guide disposed opposite theinkjet head with the first path therebetween; and a media guide openingformed in the media guide for moving the nozzle cap to and away from thenozzle face of the inkjet head. The shutter covers the media guideopening when in the closed position, and the shutter surface on the sideof the shutter facing the first path functions in the closed position asa media guide surface that guides the first medium; a first surface ofthe path switching member on the side facing the first path functions inthe first position as a media guide surface connecting the shuttersurface to the common path guide surface located on the same side of thecommon path as the shutter surface; and a second surface of the pathswitching member on the side facing the second path functions in thesecond position as a media guide surface connecting a second path guidesurface of the second path on the same side as the second surface to acommon path guide surface of the common path located on the same side asthe second path guide surface.

When the nozzle cap is disposed opposite the nozzle face of the inkjethead with the first path therebetween, a media guide opening is formedin the media guide opposite the nozzle face of the inkjet head so thatthe nozzle cap can move to and away from the nozzle face of the inkjethead. When the first medium is conveyed with the media guide openingexposed to the first path, the edge of the first medium can catch on anedge of the media guide opening, and paper jams can easily occur at theprinting position of the inkjet head.

This aspect of the invention can reliably prevent such problems bycovering the media guide opening with the shutter and guiding the firstmedium with the shutter. Because the shutter functions as a cover thatkeeps the inside of the nozzle cap desirably wet, a cover that closesthe media guide opening, and a media guide (platen) that guides mediapast the printing position, a simple mechanism can be used, littleinstallation space is required, and increase in the manufacturing costcan be suppressed compared with a configuration using plural differentmembers for the same functions.

In addition, because the gap between the shutter surface and the guidesurface on the same side of the common path is spanned by the firstsurface of the path switching member disposed adjacent to the shutter,the first medium can be guided smoothly along these surfaces from thefirst path to the common path. Furthermore, because the second surfacespans the gap between the guide surface on the same side of the secondpath and the guide surface on the same side of the common path when thepath switching member is switched to the second position, the secondmedium can be guided smoothly along these surfaces from the second pathto the common path.

In a media processing device according to another aspect of at least oneembodiment of the invention, the nozzle cap can move reciprocallybetween a retracted position separated further from the first path thanthe uncapped position, and the capping position reached through theuncapped position; and the nozzle cap contacts the shutter and the openpart of the nozzle cap is covered when the shutter is in the closedposition and the nozzle cap moves from the retracted position to theuncapped position, the shutter is held in the open position when thenozzle cap is in the capping position and while the nozzle cap movesfrom the capping position to the retracted position, the shutter movesfrom the open position to the closed position when the nozzle capreturns to the retracted position, and the nozzle cap advances from theretracted position to the uncapped position and the open part of thenozzle cap is covered after the shutter moves to the closed position.

With this aspect of the invention the shutter can be simply slid in themedia conveyance direction, and does not need to be moved toward andaway from the nozzle cap in a direction different from the slidingdirection. A simple mechanism can therefore be used as the mechanism fordriving the shutter, and little installation space is needed therefor.

A cam mechanism can be used as the mechanism for moving the pathswitching member with the shutter. For example, the path switchingmember can be made to pivot on a predetermined pivot axis and switch tothe first position and second position, and a cam mechanism is used toconvert reciprocal linear movement of the shutter between the closedposition and the open position to rotating movement of the pathswitching member between the first position and the second position.

The media processing device of the invention can be used in a checkprocessing device having a card scanning function used for customeridentify verification. In this case, a magnetic reading unit that readsmagnetic information from the first medium is disposed in the firstpath, the first path is a check path for conveying checks, and thesecond path is a card path for conveying cards.

Other objects and attainments together with a fuller understanding ofthe invention will become apparent and appreciated by referring to thefollowing description and claims taken in conjunction with theaccompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is an oblique view showing a check processing device according toa preferred embodiment of the invention.

FIG. 2 is an oblique view of the check processing device shown in FIG. 1with the two top covers open.

FIG. 3 is an oblique view of the check processing device shown in FIG. 1when seen from above.

FIG. 4 shows the configuration of the check conveyance mechanism in thecheck processing device shown in FIG. 1.

FIG. 5 is a vertical section view showing the receipt printing mechanismof the check processing device shown in FIG. 1.

FIG. 6 shows the print unit of the check processing device shown in FIG.1.

FIG. 7 shows the head maintenance mechanism when the shutter is in theopen position.

FIG. 8 shows the head maintenance mechanism when the shutter is in theclosed position.

FIG. 9 shows the print unit when capped.

FIG. 10 shows the nozzle cap in the retracted position.

FIG. 11 shows the nozzle cap when capped by the shutter.

FIG. 12 is a flowchart of the operation of the nozzle cap, shutter, andpath switching member.

FIG. 13 shows the configuration of the capping drive mechanism and theshutter drive mechanism.

FIG. 14 shows the mechanism shown in FIG. 13 from the back side.

FIG. 15 describes the cam profile of the cam groove of the cylindricalcam.

FIG. 16 is a cylindrical cam chart showing the movement of differentparts in conjunction with rotation of the cylindrical cam.

FIG. 17 is a flow chart that shows the operation of parts accompanyingrotation of the cylindrical cam after printing starts.

FIG. 18 shows when the cylindrical cam has rotated to the 50° position.

FIG. 19 shows when the cylindrical cam has rotated to the 160° position.

FIG. 20 shows when the cylindrical cam has rotated to the 297° position.

FIG. 21 shows an example of a linkage mechanism that causes the pathswitching member to follow the shutter.

DESCRIPTION OF EMBODIMENTS

A preferred embodiment of a media processing device according to atleast one embodiment of the present invention is described below withreference to the accompanying figures. The media processing deviceaccording to this embodiment of the invention is a check processingdevice that processes checks, which are a type of first media that bendseasily. This check processing device has a card scanning mechanism forimaging driver licenses and similar documents, which are a type ofsecond media that does not bend easily, for customer verification whenprocessing checks, and a receipt printing mechanism for issuing receiptson which check processing information, for example, is printed. It willalso be obvious that the invention can be similarly applied to mediaprocessing devices for processing first media that bend easily otherthan checks. The invention can also be applied to media processingdevices that do not have a receipt printing mechanism.

FIG. 1 is an oblique view of a check processing device according to apreferred embodiment of the invention from diagonally above the frontright side. FIG. 2 is an oblique view of the check processing devicefrom diagonally above the front left side with the front and back topcovers open. FIG. 3 is an oblique view of the check processing devicefrom the top front side.

Referring to these figures, the case 1 a of the check processing device1 includes a rectangular bottom case part 2 of a specific thickness, anda top case part 3 disposed thereabove. An entry pocket 4 to which acheck S1 to be processed is inserted, a check path P1 (first path)through which the check S1 fed from the entry pocket 4 is conveyed, andan exit pocket 5 for recovering the check S1 delivered from the checkpath P1, are formed in the top case part 3. Reading magnetic inkcharacter data from the check S1, printing an endorsement on the checkS1, and imaging both sides of the check S1, are performed in this orderwhile the check S1 is conveyed through the check path P1.

Note that when the check processing device 1 is placed in the normalupright operating position on a flat level surface as shown in FIG. 1,the side of the check processing device 1 facing the user is referred tobelow as the front, the opposite side as the back, the direction betweenthis front and back is the longitudinal axis Y, the direction parallelto the level surface and perpendicular to the longitudinal axis Y is thetransverse axis X, and the direction perpendicular to the level surfaceis the vertical axis Z.

The check conveyance path from the entry pocket 4 through the check pathP1 to the exit pocket 5 is a vertical channel of a specific width thatis formed in the top case part 3 and open at the top on the verticalaxis Z. As shown in FIG. 1, a check S1 is inserted to the entry pocket 4standing on edge with the long sides at top and bottom, and is conveyedthrough the check path P1 and discharged into the exit pocket 5 in thissame posture. The check conveyance path is a substantially U-shaped paththat opens to the front when seen in plan view.

More specifically, as will be understood from FIG. 3, the entry pocket 4extends from the front toward the back of the top case part 3 on theright side of the transverse axis X, and the upstream path P11 portionof the check path P1 extends straight toward the back of the device fromthe check insertion opening 4 a formed at the back end of the entrypocket 4. The downstream part of the upstream path portion P11 curves tothe inside on the transverse axis X and joins the back path P12 portionof the check path P1. The back path P12 extends substantially straighton the transverse axis X, and the downstream end part thereof curvestoward the front of the device and joins the downstream path P13 portionof the check path P1. The downstream path P13 is a straight path that isslanted an acute angle θ to the longitudinal axis Y to the inside of thedevice width, and in this embodiment of the invention, continues at anangle of approximately 10 to 20 degrees. The downstream end of thedownstream path P13 connects through a check discharge opening 5 a tothe exit pocket 5. The exit pocket 5 continues to the front of thedevice on the longitudinal axis Y.

The top case part 3 is divided by this U-shaped check conveyance pathinto a right case member 6, rear case member 7, left case member 8, andan inside case member 9 located thereinside. A front cover 11, a backcover 12, a receipt exit 13 for the receipt printer described below, andan operating panel 14 are disposed on the top of the inside case member9. A card insertion path 15 for inserting a card C to be read by thecard scanner described below is also provided.

As will be understood from FIG. 2, the front cover 11 can open to thefront while pivoting on a position at the front of the device, and theback cover 12 can open to the back pivoting on a position at the back ofthe device. The receipt exit 13 is formed between the distal end of thefront cover 11 and the distal end of the back cover 12, and has a narrowrectangular shape extending widthwise to the device. The operating panel14 is a substantially flat surface formed at the back side of the deviceon the left side of the back cover 12 at a slightly higher position, andhas a plurality of operating switches 14 a and a display unit 14 b witha plurality of LEDs for indicating the operating status.

A roll paper compartment 16 is formed inside the inside case member 9 inthe area covered by the back cover 12. When the back cover 12 opens, theroll paper compartment 16 is open to the top and roll paper not showncan be loaded or replaced. An automatic cutter 17 for cutting widthwiseacross the continuous paper delivered from the paper roll stored in theroll paper compartment 16 is disposed inside the inside case member 9 inthe area covered by the front cover 11. Information corresponding tocheck information, for example, is printed on the continuous paper S2conveyed from the paper roll stored in the roll paper compartment 16,and the trailing end of the printed portion is cut to issue a receipt ofa specific length from the receipt exit 13. An ink cartridge compartment18 is located toward the front of the device from the automatic cutter17, and an ink cartridge 19, which is the ink supply source for printingchecks, is installed therein. When the front cover 11 opens, the driveunit 17 c of the automatic cutter 17 is exposed and the ink cartridgecompartment 18 is open to the top, thus enabling the inspection of theautomatic cutter 17 and replacement of the ink cartridge easily from thetop of the device.

As will be understood from FIG. 2 and FIG. 3, the card insertion path 15is formed in the flat top part 20 on the left side of the front cover 11in the top of the inside case member 9. This top part 20 is at a lowerposition than the operating panel 14 therebehind. The card insertionpath 15 is a straight channel of a specific width and a specific depththat is open to the top in this top part 20. The rear end of the cardinsertion path 15 at the back of the device is connected to the top ofthe downstream end entrance P13 a to the downstream path P13 portion ofthe check path P1, and the front end of the card insertion path 15 atthe front side of the device is located near the side of the front cover11. As will be understood from FIG. 3, the card insertion path 15 is astraight insertion path extending along an extension of the downstreampath P13, which is a straight conveyance path, toward the device front.More specifically, the card insertion path 15 extends to the inside ofthe device in a direction slanted angle θ to the longitudinal axis Y.

A straight card path 100 that extends toward the back of the device fromthe downstream path P13 is formed from the back end of the downstreampath P13, and the back end of the card path 100 opens to the back. Theend of the card path 100 to the front of the device merges into thedownstream path P13 at junction M at the downstream end in the checkconveyance direction of the back path P12 portion of the check path P1.A straight path for cards C is thus formed by the card insertion path15, downstream path P13, and card path 100. The downstream path P13 is acommon path for conveying both checks S1 and cards C.

To scan an image of a card C that does not bend easily, the card C isinserted to the card insertion path 15 from the device front and pushedto the back as indicated in FIG. 2. The length of the card C is detectedwhile the card C pushed into the card insertion path 15 is fed from thecard insertion path 15 through the downstream path P13 and into the cardpath 100. While the card C is then conveyed from the card path 100through the downstream path P13 to the card insertion path 15, the cardC is imaged by the optical reader 43 (see FIG. 4) described below forscanning checks that is disposed to the downstream path P13.

A card slot 21 for reading magnetic information from cards C that do notbend easily is also formed in the check processing device 1 according tothis embodiment of the invention. This card slot 21 is formed in the toppart of the right case member 6 of the top case part 3. A magneticreader (not shown) is disposed inside this right case member 6, andmagnetic information stored on the card C is read by pulling the card Cthrough the card slot 21.

Internal Configuration

FIG. 4 shows the internal configuration of the check processing device 1focusing on the check conveyance mechanism for conveying a check S1through the U-shaped check conveyance path. The internal configurationof the check processing device 1 described with reference to this figurefocuses on the check conveyance mechanism.

A paper feed roller 30 a is disposed to the side on the right casemember 6 side of the entry pocket 4, and a pressure member 30 b isdisposed to the side on the inside case member 9 side. The pressuremember 30 b pushes a check S1 inserted to the entry pocket 4 to thepaper feed roller 30 a side. The check S1 is fed into the upstream pathP11 of the check path P1 by the paper feed roller 30 a, which is drivenby an in-feed motor 22. In this embodiment, the check S1 is insertedstanding on edge to the entry pocket 4 with the back of the check facingthe inside of the device (the inside case member 9 side).

A feed roller 31 b that feeds the check S1 supplied from the entrypocket 4, and a retard roller 31 a that faces the feed roller 31 b withthe upstream path P11 therebetween, are disposed in the upstream pathP11 portion of the check path P1. The feed roller 31 b is driven by thein-feed motor 22, and turns synchronously with the paper feed roller 30a. The retard roller 31 a is urged to the feed roller 31 b side, andseparates and feeds the checks S1 one at a time downstream.

A plurality of conveyance roller pairs 32 to 36 are disposed in theconveyance path parts of the check path P1 downstream from the feedroller 31 b. Conveyance roller pair 32 is disposed in the upstream pathP11, conveyance roller pairs 33 and 34 are disposed in the back pathP12, and the remaining conveyance roller pairs 35 and 36 are disposed tothe downstream path P13. Each of the conveyance roller pairs 32 to 36has a drive roller 32 a, 33 a, 34 a, 35 a, 36 a on the inside casemember 9 side, and a follower roller 32 b, 33 b, 34 b, 35 b, 36 b on theoutside right case member 6, rear case member 7, or left case member 8side opposite the corresponding drive roller with the check path P1therebetween. The drive rollers 32 a, 33 a, 34 a, 35 a, 36 a aresynchronously driven rotationally by a drive motor 40 through an endlessbelt 37. The follower rollers 32 b, 33 b, 34 b, 35 b, 36 b are urged byan urging member not shown to the corresponding drive roller 32 a-36 aside.

A magnetic reading unit 41 is disposed in the upstream path P11 of thecheck path P1. The magnetic reading unit 41 has a magnetic scanner 41 athat can read magnetic information recorded in magnetic ink, forexample, on the check S1, and the magnetic scanner 41 a is disposed inthe right case member 6 with the magnetic reading surface facing theupstream path P11. A pressure roller 41 b is disposed opposite themagnetic reading surface of the magnetic scanner 41 a with the upstreampath P11 therebetween. The conveyed check S1 is pressed to the magneticreading surface of the magnetic scanner 41 a by the pressure roller 41b, and the magnetic information is reliably read by the magnetic scanner41 a.

A print unit 42 that prints an endorsement on the back of the check S1is disposed in the back path P12, which extends continuously from thedownstream end of the upstream path P11 widthwise to the device, in anarea on the left corner side of the device. The print unit 42 includesan inkjet line head 42 a extending vertically to the device with thenozzle surface of the inkjet head 42 a facing the back path P12. A headmaintenance mechanism 42 b for the inkjet head 42 a is disposed on therear case member 7 facing the nozzle surface with the back path P12therebetween. As described with reference to FIG. 2, the ink supplysource of the inkjet head 42 a is the ink cartridge 19 loaded in the inkcartridge compartment 18. Using a line head as in this embodiment isdesirable because the print unit 42 can be made more compact than when aserial head is used.

A path switching member 200 that changes position in conjunction withthe head maintenance mechanism 42 b is disposed in the junction M of theback path P12 of the check path P1 and the card path 100. As describedin further detail below, the path switching member 200 can switchbetween a first position connecting the back path P12 with thedownstream path P13 (common path), and a second position connecting thecard path 100 with the downstream path P13 (common path). Entry to thecard path 100 is closed in the first position, and entry to thedownstream end of the back path P12 is closed in the second position inthis embodiment.

The conveyance roller pairs 35 and 36 are disposed in the downstreampath P13 (common path), and the optical reader 43 for imaging both sidesof the check S1 is disposed in the portion of the conveyance pathbetween these roller pairs. The optical reader 43 has an optical scanner43 a for imaging the back of the check S1 and an optical scanner 43 bfor imaging the front disposed with the scanning surfaces thereof facingeach other with the downstream path P13 therebetween.

The downstream end of the downstream path P13 is connected to the checkdischarge opening 5 a that discharges the processed check S1 afterreading magnetic information, printing an endorsement, and imaging arecompleted into the exit pocket 5. The exit pocket 5 is open at the top,and a check S1 deposited into the exit pocket 5 can be removed fromabove. Because both the entry pocket 4 and exit pocket 5 are open at thetop, the operator can always handle checks S1 from above the front ofthe check processing device 1.

Receipt Printing Mechanism

FIG. 5 is a vertical section view of the check processing device 1. Thereceipt printing mechanism assembled in the inside case member 9 of thetop case part 3 is described next primarily with reference to thisfigure. The receipt printing mechanism includes the roll papercompartment 16 that holds roll paper R as described above. The rollpaper compartment 16 holds the roll paper R so that the roll can rotatefreely about the transverse axis X. The continuous paper path P2 thatguides the continuous paper S2 pulled from the roll paper R to thereceipt exit 13 extends from the roll paper compartment 16 to the devicefront with the width of the paper path aligned with the device width.

The bottom of the roll paper compartment 16 is defined by a curvedconcave bottom panel 51, and the top opening is covered by the backcover 12. The back end of the back cover 12 is supported by a hinge 52of which the center axis is the pivot axis extending transversely, andthe back cover 12 opens and closes pivoting on this hinge 52.

The continuous paper S2 pulled from the roll paper R in the roll papercompartment 16 is guided to the front by a paper guide 53, which isattached to the front edge part of the bottom panel 51, to thecontinuous paper print unit 54. A guide roller that rotates freely toreduce the rolling resistance to the roll paper R may be disposed in thebottom of the roll paper compartment 16, and the roll paper R placedthereon.

The continuous paper print unit 54 includes a thermal line head 54 a anda platen roller 54 b that conveys while pressing the continuous paper S2to the printhead surface of the thermal head 54 a. In this embodimentthe thermal line head 54 a is disposed on the inside case member 9 side,and the platen roller 54 b is mounted at a position on the distal endside of the back cover 12.

The automatic cutter 17 is disposed above the continuous paper printunit 54. The automatic cutter 17 includes a fixed knife 17 a, and adrive unit 17 c including a movable knife 17 b. The fixed knife 17 a isdisposed on the back cover 12 side, and the movable knife 17 b and driveunit 17 c are disposed on the inside case member 9 side. The continuouspaper S2 passes the cutting position of the automatic cutter 17 afterpassing the printing position of the continuous paper print unit 54, andis discharged to the top from the receipt exit 13 open above theautomatic cutter 17.

Card Scanner Mechanism

The check processing device 1 has a card scanner mechanism for imagingcards C inserted from the card insertion path 15. Referring to FIG. 4,the card conveyance path of the card scanner mechanism includes the cardinsertion path 15, the downstream path P13 (common path), and the cardpath 100. A card sensor 57 that detects insertion of a card C isdisposed in the card insertion path 15. The card sensor 57 could be aphotocoupler or other optical sensor, or a mechanical switch, forexample.

When insertion of a card C to the card insertion path 15 is detected bythe card sensor 57, the conveyance roller pairs 35, 36 of the checkconveyance mechanism disposed in the downstream path P13 turn, and acard in-feed operation that conveys the card C inserted from the cardinsertion path 15 from the downstream path P13 to the card path 100, anda card out-feed operation that conveys and returns the in-fed card C tothe device front into the card insertion path 15, are performed. A cardscanning operation that images the card C conveyed from the card path100 through the downstream path P13 into the card insertion path 15using the optical reader 43 used for check imaging is also performed.

Check Processing Device Control System and Operation

Operation of the check processing device 1 is controlled by a MPU orother control unit 61. As shown in FIG. 4, the control unit 61 ismounted on a circuit board 60 disposed on the top of the bottom casepart 2. Maintenance is improved by updating a driver, for example, byusing a single control unit 61 to control the check conveyancemechanism, receipt printing mechanism, and card scanning mechanism ofthe check processing device 1. Note that the control unit 61 may beprovided as a control circuit board disposed on the back side of thecircuit board 60 (the opposite side as the side on which the check pathP1 is formed) instead of on the top of the circuit board 60 as shown inFIG. 4.

When a check S1 is inserted from the device front to the entry pocket 4,the control unit 61 controls driving the in-feed motor 22 of the checkconveyance mechanism and feeds the check S1 into the check path P1 bymeans of the paper feed roller 30 a. Synchronized to this, the controlunit 61 controls driving the drive motor 40 and conveys checks S1 one byone through the upstream path P11 by means of the retard roller 31 a andfeed roller 31 b.

As the check S1 is conveyed through the upstream path P11, the controlunit 61 first controls the magnetic reading unit 41 to read the magneticinformation from the check S1, and captures the magnetic informationthat was read. Next, the control unit 61 prints an endorsement on theback of the check S1 with the print unit 42. The control unit 61 thencontrols the optical reader 43 to image both sides of the check S1, andcaptures the scanned image information. The imaged check S1 is thendischarged by the conveyance roller pair 36 into the exit pocket 5.

The user's workload can be reduced because reading magnetic information,printing an endorsement, and imaging can be done in a single continuousprocess with the check conveyance mechanism of the check processingdevice 1.

The control unit 61 also controls the in-feed motor 22 of the receiptprinting mechanism to rotationally drive the platen roller 54 b andconvey the continuous paper S2 from the roll paper R through thecontinuous paper path P2. While the continuous paper S2 is conveyedbetween the thermal line head 54 a and platen roller 54 b, necessaryinformation is printed on the continuous paper S2 as controlled by thecontrol unit 61. The printed continuous paper S2 is then discharged tothe outside from the receipt exit 13 by the platen roller 54 b. When theprinted leading end of the continuous paper S2 has been discharged andthe trailing end of the printed portion reaches the cutting position ofthe automatic cutter 17, continuous paper S2 conveyance stops, theautomatic cutter 17 is driven by the control unit 61 to cut widthwise,and the printed portion of the continuous paper S2 is cut off. Theprinted sheet that is cut to a specific length is then issued as areceipt.

When the control unit 61 detects, based on output from the card sensor57, that a card C was inserted to the card insertion path 15, itcontrols driving the drive motor 40 of the check conveyance mechanismand drives the conveyance roller pairs 35, 36 for check conveyance toperform the card in-feed operation that conveys the card C inserted tothe card insertion path 15 into the downstream path P13. The length ofthe card C in the conveyance direction is detected during the cardin-feed operation based on the output from the card sensor 57.

The card in-feed operation stops when the trailing end in the in-feeddirection of the card C has passed the reading position of the opticalreader 43. The conveyance roller pairs 35, 36 are then driven inreverse, and the card out-feed operation that discharges the card Cstarts. The optical reader 43 is driven during the card out-feedoperation to perform the scanning operation that images the front andback sides of the card C passing the scanning position. The cardout-feed operation stops after the card C is fed a specific distanceafter the trailing end in the out-feed direction of the card C isdetected by the card sensor 57. Images of the card C are thus captured.

During the check processing operation that conveys the check S1 throughthe check path P1, the path switching member 200 disposed to thejunction M of the card path 100 and the back path P12 of the check pathP1 is set to the first position, thereby connecting the back path P12 tothe downstream path P13 and closing the gap between the card path 100and downstream path P13. When a card C is inserted in the card insertionpath 15 and the card C is scanned, the path switching member 200 is setto the second position, thereby connecting the card path 100 to thedownstream path P13 and closing the gap between the back path P12 andthe downstream path P13. In this embodiment the path switching member200 is switched in conjunction with movement of a shutter 65 in the headmaintenance mechanism 42 b as described below. The configuration andoperation of the head maintenance mechanism 42 b of the check print unit42 and the path switching member 200 are described below.

Head Maintenance Mechanism and Path Switching Member

FIG. 6 shows the area around the inkjet head 42 a and the headmaintenance mechanism 42 b of the check print unit 42. The headmaintenance mechanism 42 b of the check print unit 42 includes a nozzlecap 62 that caps the nozzle face 42 c of the check print unit 42, anozzle cap housing 63 that houses the nozzle cap 62, and a shutter 65that caps the opening of the nozzle cap 62.

The nozzle cap 62 moves bidirectionally through an intervening uncappedposition, by using a capping drive mechanism 64, between a retractedposition inside the nozzle cap housing 63 and a capping position wherethe nozzle face 42 c of the inkjet head 42 a is covered to keep thenozzle face wet.

The shutter 65 moves bidirectionally using a shutter drive mechanism 66between a closed position where the shutter 65 covers the opening to thenozzle cap housing 63 (the closed position closing the nozzle cap 62opening), and an open position separated from the opening (an openposition separated from the nozzle cap 62 opening). Movement of thenozzle cap 62 and shutter 65 by the capping drive mechanism 64 andshutter drive mechanism 66 is controlled by the control unit 61.

FIG. 7 shows the head maintenance mechanism 42 b and path switchingmember 200 when the shutter 65 is in the open position 65B, and FIG. 8shows the head maintenance mechanism 42 b and path switching member 200when the shutter 65 is in the closed position 65A. FIG. 9 shows when thenozzle face 42 c of the inkjet head 42 a is capped by the nozzle cap 62,and the path switching member 200 is in the second position 200B, andFIG. 10 shows when the nozzle cap 62 is in the retracted position. FIG.11 shows when the nozzle cap 62 is closed and the path switching member200 is switched to the first position 200A by the shutter 65 moving tothe closed position 65A.

Described with reference to these figures, the inkjet head 42 a isdisposed with its nozzle face 42 c facing the printing side of the checkS1 conveyed through the back path P12 portion of the check path P1. Theinkjet head 42 a is an inkjet line head that prints on the printingsurface of the check S1 by ejecting ink droplets onto the printingsurface from plural nozzles formed in the nozzle face 42 c based oninput print data.

The nozzle cap 62 is disposed inside the nozzle cap housing 63 with theopen part 62B thereof facing the nozzle face 42 c of the inkjet head 42a.

The nozzle cap housing 63 has an open part 63A on the side toward theback path P12, and the nozzle cap 62 moves through this open part 63Atoward the nozzle face 42 c to cap the nozzle face 42 c. Morespecifically, the nozzle cap 62 can move by the drive power of thecapping drive mechanism 64 in the direction separating from the nozzleface 42 c of the inkjet head 42 a and the direction approaching thenozzle face 42 c. The part of the open part 63A of the nozzle caphousing 63 opposite the nozzle face 42 c of the inkjet head 42 a at theback path P12 for check conveyance is a guide opening 68A, and the openpart 63A of the nozzle cap housing 63 is located here. A guide member 68that defines one guide surface of the back path P12 is positioned on theupstream side of the guide opening 68A, and the shutter 65 and pathswitching member 200 are located on the downstream side.

The nozzle cap 62 is in the capping position shown in FIG. 9 when thecheck processing device 1 power is off and until the printing operationof the print unit 42 starts after the power turns on. When in thisposition the nozzle face 42 c of the inkjet head 42 a is capped by thenozzle cap 62 and kept wet.

When the printing operation of the print unit 42 starts, the nozzle cap62 retracts from the capping position to the retracted position shown inFIG. 10. The shutter 65 waiting in the open position 65B then moves tothe position closing the guide opening 68A as shown in FIG. 11, that is,slides to the closed position 65A closing the open part 63A of thenozzle cap housing 63. The nozzle cap 62 then advances to the uncappedposition in contact with the back of the shutter 65. As a result, thenozzle cap 62 is capped.

When the shutter 65 slides from the open position 65B to the closedposition 65A, the path switching member 200 waiting at the secondposition 200B shown in FIG. 10 moves to the first position 200A shown inFIG. 11 in conjunction with this sliding action. As a result, the backpath P12 communicates with the downstream path P13 and the check S1conveyance path is formed. The shutter surface 65 a of the shutter 65opposite the nozzle face 42 c of the inkjet head 42 a thus functions asa check S1 platen surface (guide surface), the check guide surface 201(first surface) of the path switching member 200 facing the back pathP12 communicates smoothly with the shutter surface 65 a of the shutter65, and communicates smoothly with the guide surface 69 a of thedownstream path P13 on the same side.

When a specific time passes in the standby mode waiting for the nextcheck S1 to be conveyed after the print unit 42 finishes printing onecheck S1, or when operation of the check processing device 1 stopsbecause the power is turned off, the nozzle cap 62 moves to the cappingposition shown in FIG. 9 again, and caps the nozzle face 42 c of theinkjet head 42 a. The shutter 65 moves in this case from the closedposition 65A to the open position 65B. When the shutter 65 moves, thepath switching member 200 moves therewith from the first position 200Ato the second position 200B, closing entry from the back path P12 to thedownstream path P13 and opening the card path 100 to the downstream pathP13, thus forming the card C scanning path and enabling scanning cardsC. As will be understood from FIG. 9, the card guide surface 202 formedon the card path 100 side of the path switching member 200 communicatessmoothly with the guide surface 69 b on the same side of the downstreampath P13.

Because the open part 62B of the nozzle cap 62 is thus covered by theshutter 65 while printing a check S1, the inside of the nozzle cap 62 isclosed to the outside by the shutter 65. More specifically, the shutter65 functions as a cap cover that closes the open part 62B of the nozzlecap 62 and keeps the inside thereof wet.

In addition, when the check S1 is being conveyed forward or reverse, theshutter 65 functions as a cover that when in the closed position 65Acovers the guide opening 68A opposite the nozzle face 42 c and coversthe open part 63A of the nozzle cap housing 63. At the same time, theshutter surface 65 a thereof also functions as a guide surface (platensurface) that determines the printing position of the check S1. Paperjams are therefore inhibited and smooth conveyance is possible.

Note that the shutter 65 can also move toward the nozzle cap 62, contactthe open edge 62A of the nozzle cap 62, and thereby cover the nozzle cap62.

FIG. 12 is a flow chart of the printing operation controlled by thecontrol unit 61, focusing particularly on the operation of the nozzlecap 62 and shutter 65 of the head maintenance mechanism 42 b, and theoperation of the path switching member 200. Parts are positioned asshown in FIG. 9 before printing starts. When printing starts, the nozzlecap 62 is moved from the capping position shown in FIG. 9 to theretracted position shown in FIG. 10 by the capping drive mechanism (stepST1).

The shutter drive mechanism 66 then slides the shutter 65 from the openposition 65B shown in FIG. 10 to the closed position 65A shown in FIG.11 (step ST2). As the shutter 65 slides, the path switching member 200also moves from the second position 200B to the first position 200Ashown in FIG. 11. As a result, the back path P12 communicates with thedownstream path P13, and the check conveyance path is formed. Thecapping drive mechanism 64 then moves the nozzle cap 62 from theretracted position to the position in contact with the back of theshutter 65 (step ST3). Printing a check S1 then starts (step ST4).

When printing a check S1 ends (step ST5), the control unit 61 startscounting the time from when printing ended (step ST6). If printingstarts again before the count reaches a preset time (step ST7 returnsYes), the count is reset and printing a check S1 starts again (stepST4).

When the count reaches the preset time (step ST7 returns No), the nozzlecap 62 is moved by the capping drive mechanism 64 from the positiontouching the back of the shutter 65 (FIG. 11) to the retracted position(FIG. 10) (step ST8), and the shutter drive mechanism 66 slides theshutter 65 from the closed position 65A (FIG. 11) to the open position65B (FIG. 10) (step ST9). Following the shutter 65, the path switchingmember 200 also switches from the first position 200A (FIG. 11) to thesecond position 200B (FIG. 10). As a result, the back path P12 isisolated from the receipt exit 13, the card path 100 is opened to thedownstream path P13, and the card C conveyance path is formed. Thenozzle face 42 c is then capped by the nozzle cap 62 by the cappingdrive mechanism 64 advancing the nozzle cap 62 from the retractedposition to the capping position (step ST10).

Example of a Capping Drive Mechanism and a Shutter Drive Mechanism

FIG. 13 shows an example of a drive control mechanism that drives thenozzle cap 62 and shutter 65, and shows the nozzle cap 62 in the cappingposition and the shutter 65 in the open position. FIG. 14 shows thedrive control mechanism shown in FIG. 13 from the opposite side of theback path P12, which is the check conveyance path. The drive controlmechanism 70 includes a capping drive mechanism 64A and a shutter drivemechanism 66A.

The capping drive mechanism 64A includes a drive motor 71 (cappingmotor) and a cylindrical cam 72 that converts the output rotation of thedrive motor 71 to the linear bidirectional motion of the nozzle cap 62between the retracted position and capping position.

The shutter drive mechanism 66A includes an intermittent gear 73 and arack and pinion 74 that convert rotation of the cylindrical cam 72 tothe linear bidirectional movement of the shutter 65 between the closedposition and the open position.

As controlled by the control unit 61, the drive control mechanism 70performs the nozzle capping operation of the nozzle cap 62, theoperation whereby the shutter 65 covers the open part 63A of the nozzlecap housing 63, and the operation whereby the shutter 65 covers thenozzle cap.

First, the shutter 65 is held in the open position when the nozzle cap62 is in the capping position, and when the nozzle cap 62 moves from thecapping position to the retracted position. When the nozzle cap 62returns to the retracted position, the shutter 65 moves from the openposition to the closed position, and covers the open part 63A of thenozzle cap housing 63. When the shutter 65 is in the closed position,the nozzle cap 62 is advanced to the position touching the back of theshutter 65 so that the nozzle cap 62 is covered.

More specifically, the capping drive mechanism 64A has a speed reducinggear train 75 that slows and transfers the output rotation of the drivemotor 71 (capping motor) to the cylindrical cam 72. The cylindrical cam72 has a cylindrical part 77 that is disposed horizontally and has a camgroove 76 formed around the circumference thereof, a large intermittentgear 73 a formed coaxially in unison with one end of the cylindricalpart 77, and a small intermittent gear 73 b formed coaxially in unisonthe other end of the cylindrical part 77. The intermittent gears 73 a,73 b are gears having a toothless portion where external teeth are notformed in a specific angular range.

A vertical pin 78 is slidably inserted to the cam groove 76 of thecylindrical cam 72 as a cam follower that protrudes vertically frombelow. The vertical pin 78 is formed in unison with the top of thenozzle cap 62, and the nozzle cap 62 is supported so that it can move ina reciprocating motion linearly to the center axis of the cylindricalcam 72 by the nozzle cap housing 63 not shown. When the cylindrical cam72 turns, the vertical pin 78 inserted to the cam groove 76 moves in thedirection of the center axis of the cylindrical cam 72, and the nozzlecap 62 to which the vertical pin 78 is attached moves in the samedirection. The cam groove 76 of the cylindrical cam 72 is formed so thatthe nozzle cap 62 moves between the retracted position inside the nozzlecap housing 63 and the capping position.

The shutter drive mechanism 66A has a transfer gear train 80 that mesheswith the small intermittent gear 73 b of the cylindrical cam 72. Adrive-side bevel gear 82 is coaxially attached to the last gear 81 ofthe transfer gear train 80, and a follower-side bevel gear 83 thatrotates on a vertical axis meshes with the drive-side bevel gear 82. Thefollower-side bevel gear 83 is attached to the top end of a verticalshaft 84, which extends vertically along the back of the shutter 65. Apair of pinions 74 a are attached coaxially to positions at the top andbottom ends of the vertical shaft 84. These pinions 74 a mesh with apair of racks 74 b formed on the back of the shutter 65.

When the cylindrical cam 72 turns and the nozzle cap 62 moves, thepinions 74 a rotate in a specific direction synchronized thereto, theracks 74 b meshed with the pinions 74 a move in a reciprocal linearaction in the direction of the back path P12 of check conveyance, andthe shutter 65 on which the racks 74 b are formed moves linearlybidirectionally between the closed position covering the open part 63Aof the nozzle cap housing 63 and the open position.

FIG. 15 is an oblique view of the cam face 76A of the cam groove 76 ofthe cylindrical cam 72, and FIG. 16 is a cylindrical cam chart showingthe position of the nozzle cap 62 (capping position) relative to therotational angle of the cylindrical cam 72, and the position of theshutter 65 (shutter stroke). The positions of the nozzle cap 62 andshutter 65 are determined by the phase (rotational angle) of thecylindrical cam 72 in the drive control mechanism 70 according to thisembodiment of the invention. Also in this embodiment, the position whenthe cylindrical cam 72 rotates 50° clockwise from the origin (0°rotational angle) is the standby position, and the position at 297° isthe printing position.

In the standby position, the nozzle cap 62 is in the capping positioncovering the nozzle face 42 c of the inkjet head 42 a, and the shutter65 is in the open position. In the printing position, the shutter 65 isin the closed position, and the nozzle cap 62 is in the covered positionagainst the back of the shutter 65. Note that in FIG. 16 the position ofthe nozzle cap 62 is shown as 0=OPEN in the retracted position and9=CLOSED in the capping position. The position of the shutter 65 is alsoindicated by the stroke (mm) from the open position to the closedposition, the open position is indicated as the shutter-open positionwith a stroke of 0, and the closed position is indicated as theshutter-closed position.

FIG. 17 is a flow chart showing the operation of parts after printingstarts. FIG. 18 shows the cylindrical cam 72 when at the 50° position,FIG. 19 shows the cylindrical cam 72 at the 160° position, and FIG. 20shows the cylindrical cam 72 at the 297° position.

The operation of the different parts is described next with reference tothe flow chart in FIG. 17. In the standby state before printing starts,the cylindrical cam 72 is at the standby position at 50° shown in FIG.18, the nozzle face 42 c of the inkjet head 42 a is capped by the nozzlecap 62 (closed cap position), and the shutter 65 is in the open position(open shutter position).

Operation 1 starts when a start command for the printing operation isreceived, such as when the control unit 61 (FIG. 9 to FIG. 11) receivesa start printing command from the host computer. As will be understoodfrom FIG. 16, in operation 1 the drive motor 71 is driven to rotateclockwise, the cylindrical cam 72 turns from 50° to 95°, and during thisrotation the nozzle cap 62 retreats a specific distance from the cappingposition to the retracted position, and the shutter 65 is held in theopen position (open shutter position).

Operation 2 starts when the cylindrical cam 72 rotates to the 95°position, and flushing occurs while the cylindrical cam 72 rotates tothe 160° position. Flushing is an operation that ejects ink dropletsfrom nozzles of the inkjet head 42 a into the nozzle cap 62 in order toexpel ink that has increased in viscosity inside the nozzles, andthereby restores nozzles that are not ejecting properly to normaloperation. When the cylindrical cam 72 reaches the 160° position, thenozzle cap 62 is at the retracted position (the open cap position shownin FIG. 19).

Operation 3 starts after the cylindrical cam 72 rotates to the 160°position. In operation 3, the cylindrical cam 72 rotates from the 160°position to the 297° position. During operation 3, the nozzle cap 62 isheld in the retracted position, and the shutter 65 slides from the openposition to the closed position, reaching the closed position completelyclosing the open part 63A of the nozzle cap housing 63 when thecylindrical cam 72 rotates to 275°. In addition, starting from when thecylindrical cam 72 passes the 260° position, the nozzle cap 62 advancesfrom the retracted position until the nozzle cap 62 is covered incontact with the back of the shutter 65 in the closed position (the capcontact position shown in FIG. 20).

Operation 4 starts after the cylindrical cam 72 reaches the 297°position. More specifically, the printing operation is executed and anendorsement is printed by the inkjet head 42 a on the back of the checkS1 passing the printing position.

Operation 5 starts after printing ends. In operation 5 the drive motor71 (capping motor) turns counterclockwise (CCW) and the cylindrical cam72 rotates back to the standby position at 50°. As a result, the nozzlecap 62 retracts toward the retracted position from the positioncontacting the back of the shutter 65. Next, the shutter 65 startssliding from the closed position to the open position. After the shutter65 slides to the open position, the nozzle cap 62 advances from theretracted position past the open part 63A of the nozzle cap housing 63to the capping position, and returns to the position capping the nozzleface 42 c of the inkjet head 42 a shown in FIG. 18.

The drive control mechanism 70 according to this embodiment of theinvention can thus rotate both the intermittent gear 73 and cylindricalcam 72, and operate the nozzle cap 62 and shutter 65 synchronously,using a single drive motor 71 (capping motor). As a result, the cappingdrive mechanism 64 and shutter drive mechanism 66 can be constructedcompactly.

Shutter 65 and Path Switching Member 200 Linking Mechanism

FIG. 21 shows an example of a linking mechanism that switches the pathswitching member 200 to the first position 200A and second position 200Bin conjunction with the sliding action of the shutter 65. Variousconfigurations can be used as a linking mechanism that changes theposition of the path switching member 200 linked to the movement of theshutter 65, and the invention is not limited to the following.

In the example shown in FIG. 21, the path switching member 200 isplastic, pivots on a predetermined pivot axis 203, and switches betweenthe first position 200A and second position 200B. A cam pin 204extending parallel to the pivot axis 203 is formed at a position on thepath switching member 200 separated radially from the pivot axis 203.

A pivot member 91 is disposed between the path switching member 200 andthe shutter 65. A pivot shaft 92 extending parallel to the pivot axis203 is formed on the pivot member 91, and the pivot member 91 can pivoton this pivot shaft 92. A pivot arm 93 that protrudes radially is formedin unison with the pivot shaft 92, and a cam groove 94 is formed in thesurface of the pivot arm 93 facing the direction of the pivot axis 92 a(the top as seen in the figure). The distal end of the cam pin 204formed on the path switching member 200 side is inserted slidably in thecam groove 94.

A torsion spring 95 is attached to the pivot shaft 92 of the pivotmember 91, and the spring force of this torsion spring 95 holds the side93 a of the pivot arm 93 of the pivot member 91 in constant contact withthe shutter 65. More specifically, the side 93 a of the pivot arm 93 ofthe pivot member 91 is constantly pushed to the shutter 65 by a springforce pushing from the open position 65B to the closed position 65A.

When the shutter 65 slides from the closed position shown in FIG. 21 tothe open position indicated by arrow 96, the distal end 65 b in thesliding direction of the shutter 65 causes the pivot member 91 to rotatein the same direction against the spring force. When the pivot member 91turns, the cam pin 204 is pushed by the cam face 94 a formed on theinside surface of the cam groove 94, and the cam pin 204 moves along thecam face 94 a. As a result, the path switching member 200 to which thecam pin 204 is formed in unison rotates on the pivot axis 203 from thefirst position 200A shown in FIG. 21 to the second position 200B. Whenthe shutter 65 moves to the open position 65B, the path switching member200 is set to the second position 200B.

Next, the pivot member 91 is pushed to the shutter 65 by the springforce of the torsion spring 95. The pivot member 91 is connected to thepath switching member 200 through the cam mechanism including the campin 204 and cam groove 94. Therefore, when the shutter 65 slides fromthe open position 65B to the closed position shown in FIG. 21, the pivotmember 91 follows and rotates in the sliding direction due to the springforce. As a result, the cam pin 204 of the path switching member 200 ispushed by the cam face 94 a of the pivot member 91, and the pathswitching member 200 rotates from the second position 200B to the firstposition 200A shown in FIG. 21 and switches to the first position 200A.

The invention being thus described, it will be apparent that it may bevaried in many ways. Such variations are not to be regarded as adeparture from the spirit and scope of the invention, and all suchmodifications as would be obvious to one skilled in the art are intendedto be included within the scope of the following claims.

What is claimed is:
 1. A media processing device comprising: a firstpath that conveys a first medium from a first entry to a first exit; asecond path that conveys a second medium from a second entry to a secondexit; a common path that conveys both the first medium and the secondmedium from a junction between the first path and the second path; ascanner that images the first medium or the second medium passingthrough the common path; an inkjet head that prints on the first mediumpassing through the first path, wherein the first entry, the first exitand the second entry are located toward a front of the media processingdevice; the junction is located towards a rear of the media processingdevice; wherein the front of the media processing device is distal tothe rear of the media processing device along a longitudinal axis of themedia processing device; wherein the second path extends in a slanteddirection at an angle θ relative to the longitudinal axis of the mediaprocessing device; a path switching member that can switch at thejunction between a first position connecting the first path to thecommon path, and a second position connecting the second path to thecommon path; the path switching member can pivot on a predeterminedpivot axis and switch to the first position and second position, and thepath switching member further comprises a cam mechanism that convertsreciprocal linear movement of a shutter between a closed position and anopen position to rotating movement of the path switching member betweenthe first position and the second position.
 2. The media processingdevice of claim 1, wherein: the first entry is an entry pocket; and thefirst exit is an exit pocket.
 3. The media processing device of claim 1,wherein: the path switching member is disposed adjacent to the shutterin a direction along the first path.
 4. The media processing device ofclaim 1, further comprising: a head maintenance mechanism comprising, anozzle cap that can move to a capping position covering a nozzle face ofthe inkjet head and keeping the nozzle face wet, and an uncappedposition separated from the nozzle face, and the shutter can move to aclosed position closing an open part of the nozzle cap at the uncappedposition and keeping an inside of the nozzle cap wet, and an openposition separated from the open part.
 5. The media processing device ofclaim 1, wherein: the angle θ is in the range of approximately 10 to 20degrees.